package com.example.apitest.activity;

import android.os.Bundle;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

import java.util.ArrayList;
import java.util.List;

public class Test extends AppCompatActivity {
    ThreadLocal<Boolean> mThreadLocal = new InheritableThreadLocal<>();

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        int[] a = {};

        List<String> list = new ArrayList<>();
//        LinkedHashSet
//        IdentityHashMap
    }
}
